关于化学键的下列叙述中正确的是（）A．离子化合物不可能

关于化学键的下列叙述中正确的是（）

A．离子化合物不可能含共价键 B．共价化合物可能含离子键

C．离子化合物中只含离子键 D．共价化合物中不含离子键

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关于化学键的下列叙述中正确的是（ ）A．离子化合物不可能

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关于化学键的下列叙述中正确的是（）A．离子化合物不可能